11d-19=4d+9

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Solution for 11d-19=4d+9 equation:


Simplifying
11d + -19 = 4d + 9

Reorder the terms:
-19 + 11d = 4d + 9

Reorder the terms:
-19 + 11d = 9 + 4d

Solving
-19 + 11d = 9 + 4d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-4d' to each side of the equation.
-19 + 11d + -4d = 9 + 4d + -4d

Combine like terms: 11d + -4d = 7d
-19 + 7d = 9 + 4d + -4d

Combine like terms: 4d + -4d = 0
-19 + 7d = 9 + 0
-19 + 7d = 9

Add '19' to each side of the equation.
-19 + 19 + 7d = 9 + 19

Combine like terms: -19 + 19 = 0
0 + 7d = 9 + 19
7d = 9 + 19

Combine like terms: 9 + 19 = 28
7d = 28

Divide each side by '7'.
d = 4

Simplifying
d = 4

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